81787986

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{38183}}^1$

素因数の和:38215

約数の個数: 48

約数和(自身を含む): 214441344

約数和(自身を除く): 132653358

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 306, 357, 714, 1071, 2142, 38183, 76366, 114549, 229098, 267281, 343647, 534562, 649111, 687294, 801843, 1298222, 1603686, 1947333, 2405529, 3894666, 4543777, 4811058, 5841999, 9087554, 11683998, 13631331, 27262662, 40893993, 81787986]

約数ペア:

[(1, 81787986), (2, 40893993), (3, 27262662), (6, 13631331), (7, 11683998), (9, 9087554), (14, 5841999), (17, 4811058), (18, 4543777), (21, 3894666), (34, 2405529), (42, 1947333), (51, 1603686), (63, 1298222), (102, 801843), (119, 687294), (126, 649111), (153, 534562), (238, 343647), (306, 267281), (357, 229098), (714, 114549), (1071, 76366), (2142, 38183)]